Jadeveon Clowney Officially Runs 4.53 40-Yard Dash

INDIANAPOLIS, IN - FEBRUARY 24: Former South Carolina defensive lineman Jadeveon Clowney runs the 40-yard dash during the 2014 NFL Combine at Lucas Oil Stadium on February 24, 2014 in Indianapolis, Indiana. (Photo by Joe Robbins/Getty Images)

The former South Carolina star ran the fastest 40-yard dash time of the defensive lineman. NFL.com reported the unofficial time at 4.47 seconds. NFL Network said it was 4.53. Either way, it was still tops at his position. 4.53 ended up being the official time for Clowney. Clowney announced he will not do any other drills at the combine because of a sore hip flexor.

Clowney did 21 reps at 225 pounds in the weightlifting workout, putting him in the second half of the defensive ends.

Michael Sam, who is trying to become the first openly gay player in the NFL, posted an unofficial 40-yard dash time of 4.79 seconds and did 17 reps, according to NFL.com. NFL Network reported the time was 4.91.